asomers 33f2c96211 tail: fix "tail -r" for piped input that begins with '\n'
A subtle logic bug, probably introduced in r311895, caused tail to print the
first two lines of piped input in forward order, if the very first character
was a newline.

PR:		222671
Reported by:	Jim Long <freebsd-bugzilla@umpquanet.com>, pprocacci@gmail.com
MFC after:	3 weeks
Sponsored by:	Spectra Logic Corp
2018-02-19 22:09:49 +00:00
..